<aside class="sidebar">
<a href="#" class="button-link">follow us on Twitter</a>
<a href="#" class="button-link">link us on Facebook</a>
</aside>
<style>
.button-link{
	display:block;
	padding:.5em;
	color:#fff;
	background-color:#0090C9;
	text-align:center;
	text-decoration:none;
	text-transform:uppercase;
}
.button-link + .button-link{
	margin-top:1.5em;
}
</style>